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December 15, 2010

Chemistry Keeps Christmas Trees Alive, For Longer

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Just as an avocado ripens quickly in a paper bag, bathed in the ethylene gas it releases, Christmas trees may lose their needles because of a similar "ripening" process. Raj Lada, of Nova Scotia's Christmas Tree Research Center, discusses how to block this process to prolong the life of cut firs.

harry reid john mccain al gore bill clinton newt gingrich

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